Aroma diffusers are timeless and elegant, providing a fragrance-free and smoke-free way to scent your room or office. Just add some water and a favorite essential or fragrance oil for an instant scent experience. The Marseille Atomiser uses ultrasonic waves to instantly vaporize the water and essential oil in the tank to create a cool, dry mist. In addition, it has an ambient light that changes color. Aroma diffusers are very easy to operate and maintain, only occasionally they have to be filled with a small amount of water and a few drops of scented oil. Tank capacity: 120 ml LED light - 7 variants USB powered (cable length 100 cm) Height: 15 cm, diameter: 11 cm, weight 400g For use with essential oils mixed with water only!